名詞是efficiency,例如:
1、The institutions have realised they need to change their culture to improve efficiency and service.這些機構已經意識到需要改變他們的內部文化以提高效率、改進服務。
2、There are many ways to increase agricultural efficiency in the poorer areas of the world.有很多方法能夠提高世界貧困地區的農業效率。